Make sure your computer screen is about 25 inches, or an arm's length, away from your face. The center of the screen should be about 10-15 degrees below eye level.
Cut glare by using a matte screen filter. You can find them for all types of computers, phones, and tablets.
Follow the 20-20-20 rule: every 20 minutes, look at an object at least 20 feet away for at least 20 seconds.
Take a longer break of about 15 minutes after every 2 hours you spend on your devices.
Make sure the lighting in the room you’re in is bright enough. You don’t want your device to be brighter than the surroundings.